#include <stdio.h>

int
main()
{
	int i =0;
	int j = 0;
	printf("hello world!\n");
	for(i = 1;i <=9 ;i++){
		for(j = 1;j< =i;j++){
			printf("%d * %d = %d\t",i,j,i*j);
		}
		printf("\n");
	}
	return 0;
}
